Starr witnesses the fatal shooting of her childhood best friend Khalil at the hands of a police officer. Now, facing pressure from all sides of the community, Starr must find her voice and stand up for what's right.

A priest with a haunted past and a novice on the threshold of her final vows are sent by the Vatican to investigate the death of a young nun in Romania and confront a malevolent force in the form of a demonic nun.